C|N>K n.
[Usenet] Coffee through Nose to Keyboard; that is, "I laughed so hard I snarfed my coffee onto my keyboard.". Common on alt.fan.pratchett and scary devil monastery; recognized elsewhere. The Acronymphomania FAQ on alt.fan.pratchett recognizes variants such as T|N>K = `Tea through Nose to Keyboard' and C|N>S = `Coffee through Nose to Screen'.